Preamble Scope of this Document This document specifies the interfaces as well as the APIs in selected technologies for the Asset Administration Shells and its submodels. Structure of the Document Introduction gives an introduction to the topic. General topics are discussed in General. The technology-neutral specification of the interfaces of the Asset Administration Shell can be found in Clauses: API Interfaces Data Types for Payload Basic Operation Parameters Following Clauses define the API specification for HTTP/REST: HTTP/REST API Service Profiles Interactions Security API Code Generation Summary and Outlook provides a summary and outlook. The tables used to specify operations and interfaces are explained in the annex. Additionally, non-normative examples are given to illustrate in particular the different serialization alternatives.